Today, Microsoft introduced a new limitation in Windows 10 that Cortana can only be integrated with Bing and Microsoft Edge. They did this by making server-side changes which locked down the ability to change the search engine in Cortana to Google or to use alternative web browsers. Here is a way to unlock this ability.
A friend of mine, Valentin-Gabriel Radu, a talented developer from Romania, has created a tool which is able to redirect Cortana back to the default browser (you can use Chrome or Firefox, as described HERE). This will force Cortana to use the default search engine set in your browser of choice.
Here is what you should do.
- Download the program's zip archive from here: download the app.
- Unpack it to any desired folder location.
- Install the required Visual C++ Runtime from the "vsredistr" folder.
- Run SearchUIMonitor.exe and you are done!
The latest version is compiled with VC++ 2013 and its runtime is included with the app.
Now, every time you need to redirect Cortana to your default browser, you only need to launch SearchUIMonitor.exe so it will transfer those search queries automatically.
The application is free and open source. The source code can be found here.